@font-face {
    font-family: "Noto Serif";
    src: url("../font/NotoSerif.ttf");
}

@font-face {
    font-family: "Noto Serif SC";
    src: url("../font/NotoSerifSC.ttf");
}

* {
    margin: 0;
    padding: 0;
    font-family: "Noto Serif", "Noto Serif SC", serif;
    font-size: 20px;
    font-weight: 500;
    color: #ffffff;
    text-shadow: 0 0 10px #222222;
}

::-webkit-scrollbar {
    display: none;
}

#map {
    position: fixed;
    top: 0;
    left: 0;
    height: 100%;
    width: 100%;
    z-index: -1;
}

nav {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    padding: 10px 20px;
}

.nav-list {
    list-style-type: none;
    margin: 0;
    padding: 0;
    display: flex;
    gap: 20px;
}

.nav-list li a {
    text-decoration: none;
    color: #ffffff;
    padding: 8px 15px;
    transition: background 0.3s;
}

.nav-list li a:hover {
    background-color: #ffffff20;
    border-radius: 4px;
}

.custom-marker {
    width: 5px;
    height: 5px;
    border-radius: 50%;
    overflow: hidden;
    border: 0.5px solid #5a5a5a;
}

.color-block {
    height: 100%;
    float: left;
}

.legend {
    position: absolute;
    bottom: 10px;
    right: 10px;
    background: #f2f2f2;
    padding: 15px;
    border-radius: 8px;
    max-width: 200px;
}

.legend h2 {
    margin: 0 0 10px;
    text-align: center;
    color: #000000;
    text-shadow: none;
    font-size: 20px;
}

#legend-form {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.legend-item {
    display: flex;
}

.legend-item input[type="checkbox"] {
    margin-right: 8px;
    cursor: pointer;
}

.legend-label {
    cursor: pointer;
    font-size: 16px;
    color: #ffffff;
    user-select: none;
    text-shadow: none;
    padding-left: 4px;
    padding-right: 4px;
    padding-top: 1px;
    padding-bottom: 1px;
}

.koreanic {
    background-color: #935800;
}
.sino-tibetan {
    background-color: #df1410;
}
.tungusic {
    background-color: #f18227;
}
.mongolic {
    background-color: #eeab00;
}
.hmong-mien {
    background-color: #4ab742;
}
.austronesian {
    background-color: #2f7fda;
}
.austroasiatic {
    background-color: #ae00ff;
}
.turkic {
    background-color: #e52ba1;
}
.indo-european {
    background-color: #393939;
}
.kra-dai {
    background-color: #9c9c9c;
}

.info {
    background-color: #ffffff;
    padding: 10px;
    border-radius: 5px;
    font-size: 14px;
    box-shadow: 0 0.5px 2px #00000033;
    text-align: center;
    font-size: 15px;
    color: #000000;
    text-shadow: none;
}

.message-container {
    display: none;
}

@media screen and (max-width: 768px) {
    html, body {
        background-color: #b8cdfa;
    }
    nav, #map {
        display: none;
    }
    #legend {
        display: none;
    }
    .message-container {
        display: block;
        margin: 0;
        position: absolute;
        top: 50%;
        left: 50%;
        transform: translate(-50%, -50%);
        text-align: center;
        font-size: 25px;
    }
}